Dineutus sinuosipennis sinuosipennis Castelnau, 1840

Ramahandrison, Andriamirado Tahina, Rakouth, Bakolimalala & Manuel, Michael, 2022, The aquatic Adephaga of the Makay, central-western Madagascar, with description of two new diving beetle species (Coleoptera, Gyrinidae, Haliplidae, Noteridae, Dytiscidae), ZooKeys 1127, pp. 1-60 : 1

Dineutus sinuosipennis sinuosipennis Castelnau, 1840

Dineutus bidens = D. bidens Vollenhoven, 1869; D. denticulatus Régimbart, 1882.

Type locality.

Tibet (erroneous locality?).

Material examined.

1 ♂, 4 ♀♀: MAK-27; 3 ♂♂, 4 ♀♀: MAK-37B; 1 ♂, 1 ♀: MAK-40A; 1 ♂: MAK-40B; 1 ♀: MAK-48; 1 ♂, 5 ♀♀: MAK-52; 5 ♂♂, 9 ♀♀: MAK-55; 1 ♀: MAK-58.

Distribution.

Madagascar, widespread ( Legros 1951; Brinck 1955; Bameul 1984). Another subspecies, D. sinuosipennis comorensis Régimbart, 1892, is present in the Comoro archipelago ( Brinck 1955; Wewalka 1980).

Habitat in study area.

Same as D. proximus (both species often syntopic). This species is less abundant than D. proximus in the Makay massif.